Werner Erfgen
4Patents
3h-index
2Co-inventors
36Inventor score
Filing activity: May 20, 1997 → Nov 9, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6036043A | Easily-opened can lid | Performing Operations; Transporting | 18 | Expired |
| US5913651A | Method of manufacturing an easily-opened can lid, and easily-opened can lid | Performing Operations; Transporting | 4 | Expired |
| US6601727B2 | Can lid | Performing Operations; Transporting | 3 | Expired |
| US6554556B2 | Method for the manufacture of a ring part out of sheet metal for a lid of a can | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.